I wish I could have thought of a more descriptive title, but that is the case. I've got some code that I'd like to do some image processing with. I also need to get some statistical data from those ...

I got a multithreaded application in which n threads write to an ConcurrentHashMap. Another n Threads read from that Map and copy its Value to a copy List.
After that the original List is removed from ...

In PostgreSQL, I'm facing race conditions. My tables and schemas may be deleted by separate processes in the system. Using idiom if schema and table exists, then read the contents hence does not work ...

I am refering to my last question to this topic which you can find here: MySQL Syntax Error by combining CASE and LIMIT (only sometimes) - generated by JPA
The error stil occurs but I found out some ...

I ran into a Challenging on Trace this example:
Suppose we have two thread concurrently run these two threads. in the following code all threads access to shared variable a, b, c. the expected value ...

I have written a code for Matrix-Vector multiplication. The matrix is divided into blocks of rows based on the number of threads and each block is multiplied by the vector and the vector is stored in ...

What i would to know is what is the worst scenario when a page PostBack and CallBack could occur randomly in the page (their occurence depend on to the user's actions).
For example is possible that a ...

POSIX famously lets processes rename and unlink file entries with no regard as to the effects on others using them, whilst Windows by default raises an error if you even try to touch the timestamps of ...

I am trying to understand the meaning of 'Hibernate session are not thread safe'. What I already know (please correct me if I am wrong):
A session in non-JTA environment is saved in Thread Local. So ...

I have a page (called MainPage) with a iframe inside, the iframe has a source value that points to another page (called TargetPage).
When user click on a button placed in the MainPage (that contains ...

I am writing a kernel module for an embedded Linux system. The module works fine and is automatically loaded by using the compatible entry in the device tree. It creates a device in /dev/, which i can ...

I have a Singleton application server (assume being created correctly). The server class has a non static vector member which is modified in several methods. Is it possible that the compiler optimizes ...

I have often had the desire to check to see if a shared_ptr was the only owner of a shared object. It would be convenient for handing off behaviors before destroying the last shared_ptr, instead of ...

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
I recently joined a project where my main job is to clear a giant backlog of defects. One of those defects is an unwanted ...

I would like to test a big and complex (over 1.3M LOC) server application for race conditions. The application is written in C and C++ and running on a 64 bit Linux. I did some research and came up ...